Center of ${\mathcal{H}}_R(0,c_{\tilde{s}})$ associated to a pro-$p$-Iwahori Weyl group

Yijie Gao

Let $W$ be an Iwahori Weyl group and $W(1)$ be an extension of $W$ by an abelian group. Vigneras gave a description of the $R$-algebra ${\mathcal{H}}_R(q_{\tilde{s}},c_{\tilde{s}})$…